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  • Title: Efficacy of colour coded strip based on calf circumference for detection of low birth weight babies.
    Author: Sachar RK, Soni RK, Singh H, Sachdeva R, Mangat S, Sofat R.
    Journal: Indian J Matern Child Health; 1995; 6(2):57-8. PubMed ID: 12319820.
    Abstract:
    In India, a color-coded strip measuring calf circumference was tested for its efficacy in detecting low birth weight (=or 2.5 kg) among 306 normal singleton newborns within 48 hours of delivery. The strip has points marked at 6.5 cm and 8.25 cm. The area in-between these points correspond to 2-2.5 kg and is colored yellow. The area before 6.5 cm is colored red and the area beyond 8.25 cm is colored green. The strip correctly identified 60.38% of low birth weight newborns. It correctly identified 98.02% of normal weight newborns. Its efficacy for classifying newborns according to birth weight was significant (p 0.001; X2 = 151.88). The strip's sensitivity rates for low birth weight and for normal birth weight were 91.43% and 92.19%, respectively. These findings show that the color-coded strip is an effective means to determine low birth weight in the absence of a weighing score or spring balance. Health workers can use it to detect low birth weight babies born at home.
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